Register today for the entire Michael Tierra's Planetary Herbology series and receive:

22 CEUs upon completion of the entire series

Be sure to click the Enroll Me button above to get the reduced rate for the entire series. If you want to read the detailed course descriptions or just purchase an individual course in the series, scroll down.

Planetary Herbology synthesizes Western, Eastern, and Ayurvedic herbal traditions into an integrated whole, allowing you to use local ingredients no matter where you live. Set out on your path to gaining and maintaining health through natural, holistic means with best-selling author Michael Tierra, an internationally recognized authority on the world's herbal traditions.

Want to get a taste of Michael's approach to the use of herbs? Check out this lecture about the healing properties of common culinary spices:

*If you do not want to purchase the entire series, single courses can be purchased individually for $100 and are worth 4 CEUs. See the links to the detailed course descriptions below.

All courses were initially delivered as live webinars and are now available as On-Demand Classes. Each course is CAB and NCCAOM approved.

Each class is also sold individually and can be taken in any order after completing the free intro course.

If you purchase one or more courses individually before signing up for the whole series, you will be given credit toward the purchase of the series. Simply contact us at This email address is being protected from spambots. You need JavaScript enabled to view it. and request a Tierra Upgrade.